Personen
- Cabart, J. (1 Medium)
- Cain, A. I. (1 Medium)
- Calder, Nigel (2 Medien)
- Callenbach, Ernest (1 Medium)
- Calzadilla, Bernardo (1 Medium)
- Camenzind, Thomas (1 Medium)
- Camesasca, Ettore (1 Medium)
- Campbell, Bernard (1 Medium)
- Campbell, Richard (1 Medium)
- Cansier, Dieter (1 Medium)
- Cantzen, Rolf (1 Medium)
- Capek, Karel (1 Medium)
- Capesius, Roswith (1 Medium)
- Capra, Fritjof (2 Medien)
- Carell, Erich (1 Medium)
- Carl, F. E. (2 Medien)
- Carl, Frank-Erich (1 Medium)
- Carl, Helmut (1 Medium)
- Carlowitz, Hans Carl von (1 Medium)
- Carmesin, J. (1 Medium)
- Carnein, Barbara (1 Medium)
- Carnein, Walter (1 Medium)
- Carson, Rachel (1 Medium)
- Carson, Rachel L. (1 Medium)
- Carstens, Bruno (1 Medium)
- Carstens, Manfred (1 Medium)
- Carus, Carl Gustav (1 Medium)
- Caspari, Fritz (1 Medium)
- Casper, Dieter (2 Medien)
- Casper, P. (1 Medium)
- Casper, Peter (1 Medium)
- Cassel, Gustav (1 Medium)
- Cassens, Hans-Jürgen (2 Medien)
- Castenmiller, G. M. (1 Medium)
- Castro, Fidel (2 Medien)
- Cavalli-Sforza, Francesco (1 Medium)
- Cavalli-Sforza, Luca (1 Medium)
- Cavalli-Sforza, Luigi (1 Medium)
- CDU (6 Medien)
- CDU, Bezirksvorstand Berlin (1 Medium)
- CDU, Landesverband Sachsen-Anhalt (1 Medium)
- Cerny, V. (1 Medium)
- Cerny, Walter (1 Medium)
- Cerovsky, Jan (1 Medium)
- Cervenka, Martin (1 Medium)
- Cezanne, Wolfgang (1 Medium)
- Chalifman, I. (1 Medium)
- Chalifman, Jossif (1 Medium)
- Chamier, Horst von (2 Medien)
- Chamizo, Felipe Gil (1 Medium)
- Chaney, Sandra (1 Medium)
- Chardin, Pierre Teilhard de (2 Medien)
- Charles, F. W. B. (1 Medium)
- Chasin (1 Medium)
- Chazanovskij, Petr Michajlovic (1 Medium)
- Cherubim, Ingrid (1 Medium)
- Childe, Gordon (3 Medien)
- Childe, V. Gordon (1 Medium)
- Chmelar, J. (1 Medium)
- Chmelar, Jindrich (1 Medium)
- Choc, Vlastimil (1 Medium)
- Chosin, Grigori (1 Medium)
- Chowanietz, Ursula (1 Medium)
- Chrabryj, W. M. (2 Medien)
- Christ, Richard (1 Medium)
- Christfreund, W. (1 Medium)
- Christiansen, Arthur (1 Medium)
- Christiansen, Willi (1 Medium)
- Christoph, Karl-Heinz (2 Medien)
- Chrzon, S. (1 Medium)
- Chudoba, Karl F. (5 Medien)
- Chudy, A. (2 Medien)
- Ciesielski, R. (1 Medium)
- Cieslak, Jürgen (1 Medium)
- Ciganik, Marek (1 Medium)
- Cipolla, Carlo M. (1 Medium)
- Cizek, Frantisek (1 Medium)
- Claassen, H. (1 Medium)
- Clasen, Karlheinz (1 Medium)
- Claus, Albrecht (1 Medium)
- Claus, Frank (3 Medien)
- Claus, Hans (1 Medium)
- Claus, St. (1 Medium)
- Clausen, Marco (3 Medien)
- Clauß, Christian (1 Medium)
- Clauß, Herbert (1 Medium)
- Claußnitzer, Rainer (1 Medium)
- Clemens, Petra (1 Medium)
- Clemenz, B. (1 Medium)
- Clodius, Gustav (2 Medien)
- Closs, Hans (1 Medium)
- Cloud, Preston (1 Medium)
- Club of Rome (1 Medium)
- Clüstka, Josef (1 Medium)
- Coblenz, Werner (1 Medium)
- Coburger, Karli (5 Medien)
- Coch, Thomas (1 Medium)
- Coenen, Reinhard (1 Medium)
- Cole, H. S. D. (1 Medium)
- Collet, Dominik (1 Medium)
- Collins, Joseph (1 Medium)
- Colmorgen, Wolf (1 Medium)
- Colombo, Umberto (1 Medium)
- Columbus, Arno (3 Medien)
- Commerzbank AG (1 Medium)
- Commoner, Barry (3 Medien)
- Conrad, Bernd (1 Medium)
- Conrad, Bernhard (1 Medium)
- Conrad, J. (1 Medium)
- Conrad, Walter (2 Medien)
- Conradi, Arnulf (1 Medium)
- Consiglio, Carlo (1 Medium)
- Conwentz, H. (10 Medien)
- Conwentz, Hugo (2 Medien)
- Coppack, Tim (1 Medium)
- Corbin, Alain (1 Medium)
- Cordes, Hermann (1 Medium)
- Cordes, J. Christoph (1 Medium)
- Cords, Werner (4 Medien)
- Cordshagen, Christa (1 Medium)
- Cornelius, Reiner (1 Medium)
- Cornelius, Wilhelm (1 Medium)
- Cornell, Joseph (1 Medium)
- Cornelsen, Dirk (1 Medium)
- Cornelsen, Doris (8 Medien)
- Cornelssen, Gerhard (1 Medium)
- Cosgrove, Brian (1 Medium)
- Coste, Max (1 Medium)
- Cotta, Bernhard (1 Medium)
- Cousteau, Jaques-Yves (3 Medien)
- Cramer, Werner (1 Medium)
- Credner, Rudolf (1 Medium)
- Credner, Wilhelm (1 Medium)
- Cremer, Elisabeth (2 Medien)
- Creutz, Gerhard (20 Medien)
- Creutz, Ulrich (1 Medium)
- Criblez, Lucien (1 Medium)
- Croall, Stephen (1 Medium)
- Crome, Wolfgang (4 Medien)
- Cromme, Ludwig (1 Medium)
- Cronau, C. (1 Medium)
- Cronewitz, E. (1 Medium)
- Crosby, Alfred W. (1 Medium)
- Cuadra, Manuel (1 Medium)
- Cunhal, Alvaro (1 Medium)
- Cunow, Edwin (1 Medium)
- Cunow, Heinrich (1 Medium)
- Cuntulov, V. T. (2 Medien)
- Curdes, Gerhard (1 Medium)
- Curry-Lindahl, Kai (2 Medien)
- Curschmann, O. H. (1 Medium)
- Curter, Maria (1 Medium)
- Curth, Hermann (1 Medium)
- Curth, Peter (1 Medium)
- Curth, Werner (1 Medium)
- Czaya, Eberhard (1 Medium)
- Czechowski, Pawel (1 Medium)
- Czeczot, Ursula (2 Medien)
- Czerlinsky, Hanns (3 Medien)
- Czernay, Siegfried (1 Medium)
- Czerwinski, Hans Jürgen (1 Medium)
- Czeskleba-Dupont, R. (1 Medium)
- Czok, Dietmar (1 Medium)
- Czok, Karl (2 Medien)
- Czurgel, Lisa (1 Medium)